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Don't push something on the stack when starting a generator

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This commit is contained in:
Noah 2020-12-21 19:03:49 -06:00
parent a2c0db23f6
commit 64fa9ccba9
2 changed files with 13 additions and 28 deletions
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5
src/ir.rs
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@ -165,10 +165,7 @@ impl CodeInfo {
let mut maxdepth = 0u32;
let mut stack = Vec::with_capacity(self.blocks.len());
let mut startdepths = vec![u32::MAX; self.blocks.len()];
// if it's a generator or a coroutine, it starts with something already on the stack
startdepths[0] =
self.flags
.intersects(CodeFlags::IS_GENERATOR | CodeFlags::IS_COROUTINE) as u32;
startdepths[0] = 0;
stack.push(Label(0));
'process_blocks: while let Some(block) = stack.pop() {
let mut depth = startdepths[block.0 as usize];